Brain Ischemia Clinical Trial
Official title:
EEG Based Brain Computer Interface in Chronic Stroke Survivors for Upper Limb Rehabilitation- A Pilot Study Using Motor Execution and Motor Imagery
Biomedical and Engineering approaches form a key element to neurological rehabilitation of
upper limbs. Brain Computer Interface (BCI) using Motor execution and Motor Imagery are known
to aid motor recovery in stroke. The purpose of this study is to demonstrate that Noninvasive
Sensorimotor Rhythm (SMR) based EEG based BCI using motor execution and Motor Imagery tasks
can aid in rehabilitation of upper limb movements in chronic stroke.
The project aims to explore an SMR-based BCI system that can exploit the sensorimotor rhythm
voluntary modulation to play a virtual game as neurofeedback using motor executory tasks and
imagined hand movements by stroke patients, who suffer from upper limb disability.
Brain Computer Interface (BCI) using Motor execution and Motor Imagery are known to aid motor
recovery in stroke. The purpose of this study is to demonstrate that Noninvasive Sensorimotor
Rhythm (SMR) based EEG based BCI using motor execution and Motor Imagery tasks can aid in
rehabilitation of upper limb movements in chronic stroke.
The project aims to explore an SMR-based BCI system that can exploit the sensorimotor rhythm
voluntary modulation to play a virtual game as neurofeedback using motor executory tasks and
imagined hand movements by stroke patients, who suffer from upper limb disability. Studies
have shown that movement and motor imagery (MI) (i.e., the mental rehearsal of a movement
without any activation of the muscles) induce similar EEG patterns over the motor cortex.
Movement execution, preparation and even observation are usually accompanied by a decrease in
µ- and β-rhythm in the cortical area representing the involved body segment. Such a reduction
is called event-related desynchronization (ERD).The increase in µ-rhythm, i.e. event-related
synchronization (ERS), is observed in the regions of the brain representing body segments,
which are not involved in the task.This study is a pilot study to examine the feasibility of
a SMR based EEG BCI using motor task and motor imagery and involve a gaming feedback for
same.
The first two days will be used for calibrating the BMI using commands in computer screen
followed by further two days for testing the BMI and feedback control during gaming in
computer to move the ball in the computer screen.
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